Pacer-- Pfrequency setting range is from 10 to 320 times per minute.
Rowing-- Measure rowing time for each time period.
Smart power saving-- Automatically shut down if no operation within 10 minutes. Battery could be replaced when the power is run out.
Stopwatch, Metal Stop Watch for Sports 10/100/400 Laps, Stopwatches Timer for Coach Sports Running with 0.01 second & 0.001 second Timing, Conutdown, Alarm